3460-00-580-8582 (B-4)
NSN 3460-00-580-8582 (NIIN 00-580-8582) is a quick change chuck in Federal Supply Class 3460, Machine Tool Accessories — an item used to hold tools, such as drills, reamers, and the like without the use of jaws. Manufacturer part number B-4 (Mccrosky Tool Corp, CAGE 39272).
NIIN assigned January 1963; DEMIL A (none required); export Schedule B 8466.93.3050.